3-1 Display
3-2 Power Button ( Backlight Button )
3-3 Hold Button
3-4 REC Button
3-5 ACC/VEL/DISP Button ( Button )
▲
3-6 SET Button ( Time Button )
3-7 FUNCTION Button ( Button )
▼
3-8 LOG Button ( ENTER Button )
3-9A CH1 VB-83 Input Socket
3-9B CH2 VB-83 Input Socket
3-9C CH3 VB-83 Input Socket
3-9D CH4 VB-83 Input Socket
3-10 SD Card Socket
3-11 RS-232 Output Terminal
3-12 Reset Button
3-13 DC 9V Power Adapter Input Socket
3-14 Battery Compartment/Cover
3-15 Battery Cover Screws
3-16 Stand
3-17 Magnetic Base
3-18 Vibration Sensor
3-19 Input Socket of Vibration Sensor
3-20 Mini Plug of Cable
3-21 Sensor Cable
3-22 Cable BNC Plug
3-23 BNC Socket of VB-83 module
3-24 Plug of VB-83 module
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